(n.) Action by, or originating in, one's self or itself.

Ouija automatic control automatic writing automation automatization bad habit blind impulse characteristic compulsiveness conditioning creature of habit custom echolalia echopraxia force of habit habit habit pattern habitude impulse instinct instinctiveness involuntariness levitation materialization pattern peculiarity planchette poltergeist poltergeistism practice praxis psychography psychorrhagy reflex action second nature self-action self-activity self-determination self-direction self-government self-motion self-propulsion self-regulation sheer chemistry spirit manifestation spirit rapping stereotype stereotyped behavior table tipping telekinesis teleportation telesthesia trance speaking trick unwilledness usage use way wont